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We implemented a whole person care-informed intervention delivered by substance use navigators (SUN) for emergency department (ED) patients with substance use disorders.This was an implementation study of adult patients discharged from 3 public hospital EDs between September 1, 2021 through January 31, 2022 with cocaine, methamphetamine, alcohol, and opioid use-related diagnoses. The primary effectiveness outcome was treatment engagement within 30 days of ED discharge among patients with and without the SUN intervention. We used logistic regression and nearest neighbor propensity score matching without replacement to control for confounding effects.There were 1,328 patients in the cohort, and 119 (9.0%) received the SUN intervention; 50.4% of patients in the SUN intervention group and 15.9% of patients without the SUN intervention were engaged in outpatient treatment within 30 days of ED discharge (difference in proportions: 34.5%, 95% confidence interval [CI] 25.3% to 43.8%). In the unadjusted analysis, the SUN intervention was associated with higher rates of treatment engagement after ED discharge for patients with alcohol, opioid, and cocaine-related diagnoses; patients with methamphetamine-related diagnoses had low engagement rates with or without the SUN intervention. In addition, the SUN intervention was associated with higher odds of treatment engagement in the multivariable model (aOR 3.7, 95% CI 2.4 to 5.8) and in the propensity score-matched analysis (OR 2.1, 95% CI 1.2 to 3.5).A whole person care-informed intervention delivered by SUNs for ED patients with substance use disorders was strongly associated with higher engagement rates in addiction treatment after discharge. |
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